McVitie Weston valve collection, Mazda valve, type PEN/DD/1360
- Made:
- circa 1935
Mazda valve, type PEN/DD/1360, marked DUMMY, pinch marked PEN DD 13/60, stem marked 355N, one pin clipped, (RMW/Y320 - McVitie Weston number), by British Thomson-Houston Company Limited, c. 1935.